Finding the Fourth Proportional to 878,208.36, 1,211,896.50 and 496,226.94
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Solution
The fourth proportional to 878,208.36, 1,211,896.50 and 496,226.94 is: 684,775.64
Step by Step Solution
- Step 1: Write the proportion equation
878,208.36 : 1,211,896.50 = 496,226.94 : x - Step 2: Convert to fraction form
878,208.36/1,211,896.50 = 496,226.94/x - Step 3: Cross multiply
878,208.36x = 1,211,896.50 × 496,226.94 - Step 4: Simplify right side
878,208.36x = 601,375,691,791.71 - Step 5: Solve for x
x = 601,375,691,791.71/878,208.36 - Step 6: Final answer
x = 684,775.64
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.